Essential Books

Setting minute interval

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You can change property minuteInterval to set the interval displayed by the minutes wheel. The default value is 1, the maximum value is 30. 

let datePicker = UIDatePicker(frame: CGRect(x: 0, y: 0, width: 320, height: 200)  
datePicker.minuteInterval = 15
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UIDatePicker:
*UIDatePicker
*Create a Date Picker
*Setting Minimum-Maximum Date
*Modes
*Setting minute interval
*Count Down Duration
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